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spg2xx_vii.cpp
177 lines (133 loc) · 5.54 KB
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spg2xx_vii.cpp
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// license:BSD-3-Clause
// copyright-holders:Ryan Holtz, David Haywood
#include "emu.h"
#include "spg2xx.h"
#include "bus/generic/slot.h"
#include "bus/generic/carts.h"
#include "softlist_dev.h"
namespace {
class vii_state : public spg2xx_game_state
{
public:
vii_state(const machine_config &mconfig, device_type type, const char *tag) :
spg2xx_game_state(mconfig, type, tag),
m_cart(*this, "cartslot"),
m_io_motionx(*this, "MOTIONX"),
m_io_motiony(*this, "MOTIONY"),
m_io_motionz(*this, "MOTIONZ"),
m_cart_region(nullptr),
m_ctrl_poll_timer(nullptr)
{ }
void vii(machine_config &config);
private:
virtual void machine_start() override;
virtual void machine_reset() override;
void vii_portb_w(uint16_t data);
DECLARE_DEVICE_IMAGE_LOAD_MEMBER(cart_load_vii);
TIMER_CALLBACK_MEMBER(poll_controls);
required_device<generic_slot_device> m_cart;
required_ioport m_io_motionx;
required_ioport m_io_motiony;
required_ioport m_io_motionz;
memory_region *m_cart_region;
emu_timer *m_ctrl_poll_timer;
uint8_t m_controller_input[8];
};
void vii_state::vii_portb_w(uint16_t data)
{
switch_bank(((data & 0x80) >> 7) | ((data & 0x20) >> 4));
}
static INPUT_PORTS_START( vii )
PORT_START("P1")
PORT_BIT( 0x01, IP_ACTIVE_HIGH, IPT_JOYSTICK_UP ) PORT_PLAYER(1) PORT_NAME("Joypad Up")
PORT_BIT( 0x02, IP_ACTIVE_HIGH, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1) PORT_NAME("Joypad Down")
PORT_BIT( 0x04, IP_ACTIVE_HIGH, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1) PORT_NAME("Joypad Left")
PORT_BIT( 0x08, IP_ACTIVE_HIGH, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1) PORT_NAME("Joypad Right")
PORT_BIT( 0x10, IP_ACTIVE_HIGH, IPT_BUTTON1 ) PORT_PLAYER(1) PORT_NAME("Button A")
PORT_BIT( 0x20, IP_ACTIVE_HIGH, IPT_BUTTON2 ) PORT_PLAYER(1) PORT_NAME("Button B")
PORT_BIT( 0x40, IP_ACTIVE_HIGH, IPT_BUTTON3 ) PORT_PLAYER(1) PORT_NAME("Button C")
PORT_BIT( 0x80, IP_ACTIVE_HIGH, IPT_BUTTON4 ) PORT_PLAYER(1) PORT_NAME("Button D")
PORT_START("MOTIONX")
PORT_BIT( 0x3ff, 0x200, IPT_PADDLE ) PORT_MINMAX(0x000, 0x3ff) PORT_SENSITIVITY(50) PORT_KEYDELTA(50) PORT_NAME("Motion Control X")
PORT_START("MOTIONY")
PORT_BIT( 0x3ff, 0x200, IPT_PADDLE ) PORT_MINMAX(0x000, 0x3ff) PORT_SENSITIVITY(50) PORT_KEYDELTA(50) PORT_NAME("Motion Control Y") PORT_PLAYER(2)
PORT_START("MOTIONZ")
PORT_BIT( 0x3ff, 0x200, IPT_PADDLE ) PORT_MINMAX(0x000, 0x3ff) PORT_SENSITIVITY(50) PORT_KEYDELTA(50) PORT_NAME("Motion Control Z") PORT_PLAYER(3)
INPUT_PORTS_END
void vii_state::machine_start()
{
spg2xx_game_state::machine_start();
// if there's a cart, override the standard banking
if (m_cart && m_cart->exists())
{
std::string region_tag;
m_cart_region = memregion(region_tag.assign(m_cart->tag()).append(GENERIC_ROM_REGION_TAG).c_str());
m_bank->configure_entries(0, (m_cart_region->bytes() + 0x7fffff) / 0x800000, m_cart_region->base(), 0x800000);
m_bank->set_entry(0);
}
m_ctrl_poll_timer = timer_alloc(FUNC(vii_state::poll_controls), this);
m_ctrl_poll_timer->adjust(attotime::never);
save_item(NAME(m_controller_input));
}
void vii_state::machine_reset()
{
spg2xx_game_state::machine_reset();
m_controller_input[0] = 0;
m_controller_input[4] = 0;
m_controller_input[6] = 0xff;
m_controller_input[7] = 0;
m_ctrl_poll_timer->adjust(attotime::from_hz(60), 0, attotime::from_hz(60));
}
TIMER_CALLBACK_MEMBER(vii_state::poll_controls)
{
int32_t x = m_io_motionx ? ((int32_t)m_io_motionx->read() - 0x200) : 0;
int32_t y = m_io_motiony ? ((int32_t)m_io_motiony->read() - 0x200) : 0;
int32_t z = m_io_motionz ? ((int32_t)m_io_motionz->read() - 0x200) : 0;
uint8_t old_input[8];
memcpy(old_input, m_controller_input, 8);
m_controller_input[0] = m_io_p1->read();
m_controller_input[1] = (uint8_t)x;
m_controller_input[2] = (uint8_t)y;
m_controller_input[3] = (uint8_t)z;
m_controller_input[4] = 0;
x = (x >> 8) & 3;
y = (y >> 8) & 3;
z = (z >> 8) & 3;
m_controller_input[5] = (z << 4) | (y << 2) | x;
m_controller_input[6] = 0xff;
m_controller_input[7] = 0;
if (memcmp(old_input, m_controller_input, 8))
{
for(int i = 0; i < 8; i++)
m_maincpu->uart_rx(m_controller_input[i]);
}
}
DEVICE_IMAGE_LOAD_MEMBER(vii_state::cart_load_vii)
{
uint32_t const size = m_cart->common_get_size("rom");
if (size < 0x80'0000)
return std::make_pair(image_error::INVALIDLENGTH, "Unsupported cartridge size (must be at least 8M)");
m_cart->rom_alloc(size, GENERIC_ROM16_WIDTH, ENDIANNESS_LITTLE);
m_cart->common_load_rom(m_cart->get_rom_base(), size, "rom");
return std::make_pair(std::error_condition(), std::string());
}
void vii_state::vii(machine_config &config)
{
SPG24X(config, m_maincpu, XTAL(27'000'000), m_screen);
m_maincpu->set_addrmap(AS_PROGRAM, &vii_state::mem_map_4m);
spg2xx_base(config);
m_maincpu->portb_out().set(FUNC(vii_state::vii_portb_w));
m_maincpu->i2c_w().set(FUNC(vii_state::i2c_w));
m_maincpu->i2c_r().set(FUNC(vii_state::i2c_r));
GENERIC_CARTSLOT(config, m_cart, generic_plain_slot, "vii_cart");
m_cart->set_width(GENERIC_ROM16_WIDTH);
m_cart->set_device_load(FUNC(vii_state::cart_load_vii));
SOFTWARE_LIST(config, "vii_cart").set_original("vii");
}
ROM_START( vii )
ROM_REGION( 0x2000000, "maincpu", ROMREGION_ERASE00 )
ROM_LOAD16_WORD_SWAP( "vii.bin", 0x0000, 0x2000000, CRC(04627639) SHA1(f883a92d31b53c9a5b0cdb112d07cd793c95fc43))
ROM_END
} // anonymous namespace
// Jungle Soft TV games
CONS( 2007, vii, 0, 0, vii, vii, vii_state, empty_init, "Jungle Soft / KenSingTon / Siatronics", "Vii", MACHINE_IMPERFECT_SOUND | MACHINE_IMPERFECT_GRAPHICS ) // motion controls are awkward, but playable for the most part